Eco-friendly alternatives to fossil fuels are venturing beyond Earth—and into space.

So youtuber Angry Astronaut says we should depend upon a nuclear thermal rocket that is not yet into its full design phase and has no actual specs (ISP or thrust). However, one of the program managers ...

Pin injection was applied in both the gas generator and thrust chamber of Liqing-2, the first stage engine of the company's Lijian series rockets. The engine thrust ratio ranges from 50 to 100 percent ...